Frequencies for first 10,000 rows of fire_exp variable in person dataset : Fire | Occurrence | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,936 89.36 89.36 1 | 288 2.88 92.24 . | 776 7.76 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016